Tim McDonnell Profile picture
covering energy & climate @semafor. Previously @qz @NPR, @MotherJones, @natgeo, @FulbrightPrgrm. Also bread. Get in touch: tmcdonnell@semafor.com
Sep 7, 2021 4 tweets 2 min read
The world's biggest carbon removal plant is going online tomorrow in Iceland. It will draw down ~870 cars worth of emissions per year. But the price per ton still needs to come down by $100s before this will really go to the necessary scale qz.com/2055951/climew… Thanks folks for reading. A lot of people seem to be focused on "870 cars" figure, indeed a tiny drop in the bucket. But no one is saying this individual plant will save the climate. The more important # in the story is the $/ton, which is limiting factor for future scaling
Feb 17, 2021 7 tweets 2 min read
1/x A few thoughts on #TexasBlackout : First, it wasn't the damn wind turbines. ERCOT has been very clear about this. There is no controversy here. If anything, wind and solar were among the first generating sources to come back online. qz.com/1973423/were-t… 2/x Was Texas left more vulnerable to an outage like this because of its weird byzantine deregulated electricity market? Maybe, & ERCOT may need to take some capacity market cues from its neighbor PJM, which instituted new rules after 2014 polar vortex
Feb 16, 2021 7 tweets 3 min read
1/x For China, 2021 is a pivotal year on climate. Upcoming Five Year Plan, Belt & Road updates, new carbon trading market, & pandemic recovery have huge implications for global emissions. So far, the year isn't off to a good start -- let's break it down qz.com/1971281/the-pr… 2/x In late Jan., central gov. enviro investigators published an unusually scathing public critique of colleagues in the energy planning agency, for their ongoing permitting of new coal plants, blaming the agency's “deteriorated political ecology” (an allusion to corruption)